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参数资料
| 型号： | ICS952607YFLF-T |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 400 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封装： | LEAD FREE, MO-118, SSOP-48 |
| 文件页数： | 6/22页 |
| 文件大小： | 204K |
| 代理商： | ICS952607YFLF-T |
14
Integrated
Circuit
Systems, Inc.
ICS952607
0734A—07/26/05
I
2C Table: Group Skew Control Register
Control
Function
Bit 7
3V66Skw3
RW
0000:0
0100:150
1000:300
1100:450
0
Bit 6
3V66Skw2
RW
0001:N/A
0101:N/A
1001:N/A
1101:600
0
Bit 5
3V66Skw1
RW
0010:N/A
0110:N/A
1010:N/A
1110:750
0
Bit 4
3V66Skw0
RW
0011:N/A
0111:N/A
1011:N/A
1111:900
0
Bit 3
PCISkw3
RW
0000:0
0100:150
1000:300
1100:450
1
Bit 2
PCISkw2
RW
0001:N/A
0101:N/A
1001:N/A
1101:600
1
Bit 1
PCISkw1
RW
0010:N/A
0110:N/A
1010:N/A
1110:750
0
Bit 0
PCISkw0
RW
0011:N/A
0111:N/A
1011:N/A
1111:900
0
I
2C Table: Group Skew Control Register
Control
Function
Bit 7
PCISkw3
RW
0000:0
0100:150
1000:300
1100:450
1
Bit 6
PCISkw2
RW
0001:N/A
0101:N/A
1001:N/A
1101:600
1
Bit 5
PCISkw1
RW
0010:N/A
0110:N/A
1010:N/A
1110:750
0
Bit 4
PCISkw0
RW
0011:N/A
0111:N/A
1011:N/A
1111:900
0
Bit 3
Reserved
RW
0
Bit 2
Reserved
RW
0
Bit 1
Reserved
RW
0
Bit 0
Reserved
RW
0
I
2C Table: Slew Rate Control Register
Control
Function
Bit 7
PCIFStr1
1
Bit 6
PCIFStr0
1
Bit 5
Reserved
RW
1
Bit 4
Reserved
RW
1
Bit 3
Reserved
RW
1
Bit 2
Reserved
RW
1
Bit 1
AGPStr1
RW
1
Bit 0
AGPStr0
RW
1
I
2C Table: Slew Rate Control Register
Control
Function
Bit 7
RW
1
Bit 6
RW
0
Bit 5
PCIFStr1
1
Bit 4
PCIFStr0
1
Bit 3
PCIFStr1
1
Bit 2
PCIFStr0
1
Bit 1
PCIFStr1
1
Bit 0
PCIFStr0
1
I
2C Table: Output Control Register
Control
Function
Bit 7
48MHz_0
Output Control
RW
1
Bit 6
24_48MHz
Output Control
RW
1
Bit 5
REF1
Output Control
RW
1
Bit 4
REF0
Output Control
RW
1
Bit 3
REF2
Output Control
RW
1
Bit 2
48MHz_1
Output Control
RW
1
Bit 1
Reserved
RW
0
Bit 0
Reserved
RW
0
--
Enable
Disable
Enable
--
-
Disable
Enable
Disable
Enable
01
01 = 0.75X
11 = 1.00X
00 = 0.63X
--
Type
PWD
Disable
Enable
Disable
Enable
Disable
PWD
01
--
-
01
Byte 20
Pin #
Name
Type
0
1
CPU-PCI 7 Step Skew
Control (ps)
-
01 = 0.75X
10 = 0.88X
--
00 = 0.70X
10 = 0.90X
11 = 1.00X
--
-
Pin #
-
Byte 23
Pin #
-
PWD
AGPCLK Strength
Control
-
Byte 22
Pin #
Name
-
PWD
-
PCICLKF (2:0) Strength
Control
-
Byte 21
Pin #
Name
Type
RW
00 = 0.63X
CPU-PCI F(2:0) 7 Step
Skew Control (ps)
-
PWD
-
CPU-3V66 7 Step Skew
Control (ps)
-
Byte 19
Name
Type
Name
-
3
21
2
1
23
-
PCICLK (1:0) Strength
Control
00 = 0.63X
-
--
01 = 0.80X
11 = 1.00X
01 = 0.75X
11 = 1.00X
22
Type
RW
00 = 0.63X
10 = 0.88X
REF_Slw
REF Slew Rate Control
PCICLK (5) Strength
Control
00 = Medium
10 = Strong
01 = Weak
11 = N/A
10 = 0.88X
PCICLK (4:2) Strength
Control
10 = 0.88X
01 = 0.75X
11 = 1.00X
RW
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